The amount of chlorine needed for a pool varies directly as the size of the pool. If 5 units of chlorine is the amount needed for 2500 L of water, how much chlorine is needed for 3750 L of water?

7.5 units of chlorine

Step-by-step explanation:

Ratio of chlorine to water is:

Then finding the amount of chlorine for 3750 l of water using same ratio:

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

step-by-step explanation:

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